<!--
 * @Author: your name
 * @Date: 2021-11-15 15:36:25
 * @LastEditTime: 2021-11-17 16:56:12
 * @LastEditors: Please set LastEditors
 * @Description: 打开koroFileHeader查看配置 进行设置: https://github.com/OBKoro1/koro1FileHeader/wiki/%E9%85%8D%E7%BD%AE
 * @FilePath: \vue_shop\src\components\goods\List.vue
-->
<template>
    <div>
        <!--面包屑导航  -->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>商品管理</el-breadcrumb-item>
            <el-breadcrumb-item>商品列表</el-breadcrumb-item>
        </el-breadcrumb>
        <!-- 卡片视图 -->
        <el-card>
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodsList">
                        <el-button slot="append" icon="el-icon-search" @click="getGoodsList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="goAddpage">添加商品</el-button>
                </el-col>
            </el-row>
            <!-- table 表格区 -->
            <el-table :data="goodslist" border stripe>
                <el-table-column type="index" label="#"></el-table-column>
                <el-table-column label="商品名称" prop="goods_name"></el-table-column>
                <el-table-column label="商品价格" prop="goods_price" width="90px"></el-table-column>
                <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
                <el-table-column label="商品创建时间" prop="add_time" width="140px">
                    <template slot-scope="scope">
                        {{scope.row.add_time | dataFormat}}
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="130px">
                    <template slot-scope="scope">
                        <el-button type="primary" icon="el-icon-edit" size="mini" @click="showEditGoodsDialog(scope.row.goods_id)"></el-button>
                        <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
                    </template>
                </el-table-column>
            </el-table>
            <!-- 分页区域 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange" :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize" layout="total, sizes, prev, pager, next, jumper" :total="total" background>
            </el-pagination>
        </el-card>
        <el-dialog title="修改商品" :visible.sync="editGoodsDialogVisible" width="50%">
          <el-form :model="editGoodsForm" :rules="editGoodsFormRules" ref="editGoodsFormRef" label-width="100px" @close="editGoodsDialogClosed">
            <el-form-item label="商品名称" prop="goods_name">
              <el-input v-model="editGoodsForm.goods_name"></el-input>
            </el-form-item>
            <el-form-item label="商品价格" prop="goods_price">
              <el-input v-model="editGoodsForm.goods_price"></el-input>
            </el-form-item>
            <el-form-item label="商品重量" prop="goods_weight">
              <el-input v-model="editGoodsForm.goods_weight"></el-input>
            </el-form-item>
          </el-form>
          <span slot="footer" class="dialog-footer">
            <el-button @click="editGoodsDialogVisible = false">取 消</el-button>
            <el-button type="primary" @click="editGoodsInfo">确 定</el-button>
          </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
  data () {
    return {
      // 查询参数对象
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 10
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0,
      editGoodsDialogVisible: false,
      editGoodsForm: {},
      editGoodsFormRules: {
        goods_name: [
          { required: true, message: '请输入商品名称', trigger: 'blur' }
        ],
        goods_price: [
          { required: true, message: '请输入商品价格', trigger: 'blur' }
        ],
        goods_weight: [
          { required: true, message: '请输入商品重量', trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getGoodsList()
  },
  methods: {
    //   根据分页获取对应的商品列表
    async getGoodsList () {
      const { data: res } = await this.$http.get('goods', { params: this.queryInfo })
      if (res.meta.status !== 200) {
        return this.$message.error('获取商品列表失败！')
      }
      this.$message.success('获取商品列表成功')
      console.log(res.data)
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodsList()
    },
    handleCurrentChange (newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodsList()
    },
    async removeById (id) {
      const confirmResult = await this.$confirm('此操作将永久删除该商品, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') {
        return this.$message.error('已取消了删除')
      }
      const { data: res } = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('删除失败')
      }
      this.$message.success('删除成功')
      this.getGoodsList()
    },
    goAddpage () {
      this.$router.push('/goods/add')
    },
    async showEditGoodsDialog (id) {
      console.log(id)
      const { data: res } = await this.$http.get(`goods/${id}`)
      if (res.meta.status !== 200) {
        return this.$message.error('查询商品失败')
      }
      this.editGoodsForm = res.data
      console.log(this.editGoodsForm)
      this.editGoodsDialogVisible = true
    },
    editGoodsDialogClosed () {
      this.$refs.editGoodsFormRef.resetFields()
    },
    editGoodsInfo () {
      this.$refs.editGoodsFormRef.validate(async valid => {
        // console.log(valid)
        const { data: res } = await this.$http.put('goods/' + this.editGoodsForm.cat_id, {
          goods_name: this.editGoodsForm.goods_name,
          goods_price: this.editGoodsForm.goods_price,
          goods_weight: this.editGoodsForm.goods_weight,
          goods_number: this.editGoodsForm.goods_number
        })
        if (res.meta.status !== 201) {
          return this.$message.error('更新商品信息失败')
        }
        this.editGoodsDialogVisible = false
        this.getGoodsList()
        this.$message.success('更新商品信息成功')
      })
    }
  }
}
</script>

<style lang="less" scoped>

</style>
